Carton blank



Fig. 1.1 is a plan view of an unfolded carton blank showing my new design;

Fig. 1.2 is a plan view of the unfolded carton blank thereof, but being dimensionally smaller than that of Fig. 1.1.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design. 

CLAIM The ornamental design for a a carton blank, as shown and described. 